Table 3.
Dosimetric parameters for OAR’s calculated using AAA and AXB algorithms, in FB and DIBH respiratory phase, respectively.
| Structure | DIBH |
FB |
||||
|---|---|---|---|---|---|---|
| AAA | AXB | p-value | AAA | AXB | p-value | |
| Ipsilateral lung | ||||||
| Mean (Gy) | 10.54 ± 2.24 | 10.45 ± 2.31 | 0.001 | 10.69 ± 2.85 | 10.63 ± 2.91 | 0.279 |
| V5Gy (%) | 36.88 ± 6.00 | 36.74 ± 5.95 | 0.280 | 35.51 ± 6.97 | 34.20 ± 7.21 | 0.000 |
| V10Gy (%) | 25.21 ± 5.46 | 26.45 ± 5.52 | 0.000 | 24.72 ± 6.92 | 25.06 ± 7.11 | 0.000 |
| V20Gy (%) | 18.96 ± 5.11 | 19.58 ± 5.13 | 0.000 | 19.36 ± 6.60 | 19.67 ± 6.63 | 0.000 |
| V30Gy (%) | 16.06 ± 4.76 | 15.97 ± 4.77 | 0.000 | 16.39 ± 6.06 | 16.40 ± 6.06 | 0.505 |
| V40Gy (%) | 11.98 ± 4.04 | 11.37 ± 4.14 | 0.000 | 12.48 ± 5.33 | 12.46 ± 5.28 | 0.751 |
| V45Gy (%) | 6.72 ± 3.33 | 6.68 ± 3.41 | 0.801 | 8.15 ± 4.20 | 8.75 ± 4.34 | 0.003 |
| Lung-IN | ||||||
| Mean (Gy) | 41.65 ± 1.23 | 41.38 ± 1.36 | 0.024 | 42.26 ± 1.29 | 42.43 ± 1.44 | 0.429 |
| V30Gy (%) | 92.78 ± 1.76 | 92.47 ± 1.70 | 0.212 | 93.48 ± 1.15 | 93.41 ± 1.20 | 0.650 |
| V35Gy (%) | 83.78 ± 3.34 | 81.19 ± 3.91 | 0.000 | 83.78 ± 3.44 | 83.20 ± 3.50 | 0.004 |
| V40Gy (%) | 68.84 ± 5.99 | 64.85 ± 6.87 | 0.000 | 69.77 ± 6.78 | 69.64 ± 6.58 | 0.728 |
| V45Gy (%) | 36.98 ± 12.09 | 36.74 ± 11.20 | 0.824 | 43.99 ± 11.31 | 47.40 ± 10.77 | 0.000 |
| Lung-Out | ||||||
| Mean (Gy) | 3.97 ± 0.54 | 3.91 ± 0.56 | 0.016 | 3.87 ± 0.48 | 3.64 ± 0.51 | 0.000 |
| V5Gy (%) | 23.52 ± 4.04 | 23.32 ± 3.88 | 0.208 | 21.52 ± 3.70 | 19.92 ± 3.78 | 0.000 |
| V10Gy (%) | 9.46 ± 1.90 | 10.96 ± 2.19 | 0.000 | 8.50 ± 1.78 | 8.88 ± 2.11 | 0.002 |
| V15Gy (%) | 4.51 ± 1.04 | 5.76 ± 1.23 | 0.000 | 4.38 ± 1.04 | 4.90 ± 1.23 | 0.000 |
| V20Gy (%) | 2.03 ± 0.60 | 2.76 ± 0.68 | 0.000 | 2.08 ± 0.54 | 3.41 ± 4.18 | 0.182 |
| V25Gy (%) | 0.37 ± 0.32 | 0.63 ± 0.35 | 0.000 | 0.37 ± 0.08 | 0.52 ± 0.12 | 0.000 |
| Heart | ||||||
| Mean (Gy) | 3.30 ± 1.73 | 3.36 ± 1.40 | 0.088 | 5.85 ± 1.73 | 5.93 ± 1.70 | 0.001 |
| V5Gy (%) | 8.35 ± 4.43 | 7.56 ± 4.29 | 0.000 | 16.31 ± 4.79 | 15.28 ± 4.70 | 0.000 |
| V10Gy (%) | 4.26 ± 3.37 | 4.39 ± 3.42 | 0.004 | 10.30 ± 4.06 | 10.48 ± 4.09 | 0.000 |
| V20Gy (%) | 2.98 ± 2.85 | 3.01 ± 2.86 | 0.004 | 8.22 ± 3.55 | 8.26 ± 3.52 | 0.273 |
| V30Gy (%) | 2.27 ± 2.45 | 2.24 ± 2.42 | 0.026 | 7.02 ± 3.34 | 6.96 ± 3.29 | 0.004 |
| Common lung | ||||||
| Mean (Gy) | 5.17 ± 1.05 | 5.19 ± 1.07 | 0.031 | 5.01 ± 1.32 | 5.04 ± 1.35 | 0.023 |
| V5Gy (%) | 16.42 ± 4.91 | 16.35 ± 4.89 | 0.292 | 15.31 ± 4.11 | 14.79 ± 4.13 | 0.000 |
| V10Gy (%) | 11.26 ± 3.68 | 11.82 ± 3.82 | 0.000 | 10.80 ± 3.41 | 10.95 ± 3.52 | 0.001 |
| V20Gy (%) | 9.01 ± 2.29 | 9.29 ± 2.31 | 0.000 | 8.76 ± 2.98 | 8.90 ± 3.01 | 0.000 |
| V30Gy (%) | 7.25 ± 2.76 | 7.17 ± 2.74 | 0.085 | 7.28 ± 2.73 | 7.28 ± 2.74 | 0.899 |
| V40Gy (%) | 5.39 ± 2.21 | 5.13 ± 2.20 | 0.000 | 5.62 ± 2.37 | 5.60 ± 2.35 | 0.645 |
| V45Gy (%) | 3.06 ± 1.64 | 3.04 ± 1.66 | 0.769 | 3.78 ± 1.90 | 4.03 ± 1.93 | 0.008 |
| Contralateral breast | ||||||
| Mean (Gy) | 0.55 ± 0.28 | 0.91 ± 0.31 | 0.973 | 0.59 ± 0.57 | 0.94 ± 0.62 | 0.000 |
| V5Gy (%) | 1.11 ± 1.07 | 1.24 ± 1.18 | 0.006 | 1.31 ± 1.99 | 1.47 ± 2.15 | 0.828 |
| Contralateral lung | ||||||
| Mean (Gy) | 0.36 ± 0.11 | 0.47 ± 0.09 | 0.000 | 0.36 ± 0.12 | 0.50 ± 0.12 | 0.000 |
| Spinal cord | ||||||
| Mean (Gy) | 0.30 ± 0.07 | 0.31 ± 0.07 | 0.168 | 0.27 ± 0.09 | 0.33 ± 0.11 | 0.000 |
| Dmax (Gy) | 0.80 ± 0.19 | 0.79 ± 0.19 | 0.457 | 0.76 ± 0.35 | 0.86 ± 0.37 | 0.000 |